論文（英文）
Fujita R, Iimuro S, Shinozaki T, Sakamaki K, Uemura Y, Takeuchi A, Matsuyama Y, Ohashi Y. Decreased duration of acute upper respiratory tract infections with daily intake of fermented milk: a multicenter, double-blinded, randomized comparative study in users of day care facilities for the elderly population.
Fujita R, Iimuro S, Shinozaki T, Sakamaki K, Uemura Y, Takeuchi A, Matsuyama Y, Ohashi Y. Decreased duration of acute upper respiratory tract infections with daily intake of fermented milk: A multicenter, double-blinded, randomized comparative study in users of day care facilities for the elderly population. Am J Infect Control. 2013; 41(12): 1231-1235.